Acoustic Fan Casing with Rotating Sidewalls
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Server rack fans vibrate and produce noise, and their conventional mounting methods are costly and time-consuming due to the use of multiple hardware pieces.
Innovation Solution
An acoustic fan casing system with rotating sidewalls and integrated acoustic insulation pads that enclose fans, allowing for tool-free installation and reduced noise through acoustic materials like polyurethane, and a mounting assembly for easy fan replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional mounting methods with multiple hardware pieces are used to mount fans, then the mounting is secure and reliable, but the installation cost and time increase
Solution Approach 1:
The patent combines multiple separate mounting hardware components into a single integrated fan casing assembly. The casing includes integrated mounting features that attach the fan to the cabinet panel in one piece, eliminating the need for multiple separate hardware items and reducing installation complexity while maintaining secure mounting.
Solution Approach 2:
The fan casing assembly is designed as a separable unit that can be easily detached and reattached. The casing divides into components that can be independently handled during installation and maintenance, allowing for tool-free removal and reinstallation without requiring complex disassembly of multiple fastened parts.
2Reliability
If conventional mounting methods with multiple hardware pieces are used to mount fans, then the mounting is secure and reliable, but the installation cost increases
Solution Approach 1:
The patent combines multiple separate mounting hardware components into a single integrated fan casing assembly. The casing includes integrated mounting features that attach the fan to the cabinet panel in one piece, eliminating the need for multiple separate hardware items and reducing installation complexity while maintaining secure mounting.
3Object-affected harmful factors
If acoustic insulation pads are added to reduce noise, then the noise reduction effectiveness improves, but the device complexity increases
Solution Approach 1:
The acoustic insulation pads are integrated directly into the fan casing assembly as a unified component. The pads are attached to the interior surfaces of the casing walls, creating a single assembled unit that provides both structural enclosure and acoustic damping without requiring separate noise control systems.
Solution Approach 2:
The fan casing combines rigid structural materials with acoustic insulation materials to create a composite assembly. The casing walls are constructed with or attached to acoustic insulation pads that provide both mechanical support and noise reduction properties in a single integrated structure.
4Ease of operation
If a rotatable casing design is used for easy fan replacement, then the ease of operation improves, but the device complexity increases
Solution Approach 1:
The fan casing incorporates a rotatable mechanism that allows the casing to pivot between a closed position for operation and an open position for fan access. This dynamic feature enables easy fan replacement by simply rotating the casing to an open position without requiring tool-free disassembly of multiple fasteners.
Solution Approach 2:
The fan casing assembly is designed as a separable unit that can be easily detached and reattached. The casing divides into components that can be independently handled during installation and maintenance, allowing for tool-free removal and reinstallation without requiring complex disassembly of multiple fastened parts.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively reduces vibrational noise and simplifies fan installation and maintenance by using acoustic insulation and a tool-free mounting mechanism, lowering costs and installation time.
Implementation Method 1
one or more surfaces of the one or more casing sidewalls are coupled to one or more acoustic insulation pads formed of one or more acoustic insulation materials to reduce vibrational noise
Data Source
Figure 1
Figure 2A
Figure 2B
AI summary
The present invention relates to a fan acoustic casing system (200) which includes one or more casing sidewalls (206a, 206b, 206c) configured to at least partially define a cavity configured to receive the one or more fans (204). A casing sidewall (206c) may be configured to rotate between an open position or a closed position via a rotation mechanism (207), where one or more surfaces of the one or more casing sidewalls may be coupled to one or more acoustic insulation pads (201a, 201b, 201c) formed of one or more acoustic insulation materials to reduce vibrational noise. The system may include one or more sidewall fastening members (208) configured to couple a casing sidewall (206a) to an additional casing sidewall (206c). The system may include a mounting assembly (213) including one or more mounting members configured to removably couple the fan casing assembly (202) to a panel (212) of a cabinet.